/* $NetBSD: print-rx.c,v 1.6 2002/05/31 09:45:46 itojun Exp $ */ /* * Copyright: (c) 2000 United States Government as represented by the * Secretary of the Navy. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. The names of the authors may not be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ /* * This code unmangles RX packets. RX is the mutant form of RPC that AFS * uses to communicate between clients and servers. * * In this code, I mainly concern myself with decoding the AFS calls, not * with the guts of RX, per se. * * Bah. If I never look at rx_packet.h again, it will be too soon. * * Ken Hornstein */ #include #ifndef lint #if 0 static const char rcsid[] = "@(#) Header: /tcpdump/master/tcpdump/print-rx.c,v 1.29 2002/04/30 06:45:08 guy Exp"; #else __RCSID("$NetBSD: print-rx.c,v 1.6 2002/05/31 09:45:46 itojun Exp $"); #endif #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #ifdef TIME_WITH_SYS_TIME #include #endif #include #include #include #include #include #include #include "interface.h" #include "addrtoname.h" #include "extract.h" #include "rx.h" #include "ip.h" static struct tok rx_types[] = { { RX_PACKET_TYPE_DATA, "data" }, { RX_PACKET_TYPE_ACK, "ack" }, { RX_PACKET_TYPE_BUSY, "busy" }, { RX_PACKET_TYPE_ABORT, "abort" }, { RX_PACKET_TYPE_ACKALL, "ackall" }, { RX_PACKET_TYPE_CHALLENGE, "challenge" }, { RX_PACKET_TYPE_RESPONSE, "response" }, { RX_PACKET_TYPE_DEBUG, "debug" }, { RX_PACKET_TYPE_PARAMS, "params" }, { RX_PACKET_TYPE_VERSION, "version" }, { 0, NULL }, }; static struct double_tok { int flag; /* Rx flag */ int packetType; /* Packet type */ char *s; /* Flag string */ } rx_flags[] = { { RX_CLIENT_INITIATED, 0, "client-init" }, { RX_REQUEST_ACK, 0, "req-ack" }, { RX_LAST_PACKET, 0, "last-pckt" }, { RX_MORE_PACKETS, 0, "more-pckts" }, { RX_FREE_PACKET, 0, "free-pckt" }, { RX_SLOW_START_OK, RX_PACKET_TYPE_ACK, "slow-start" }, { RX_JUMBO_PACKET, RX_PACKET_TYPE_DATA, "jumbogram" } }; static struct tok fs_req[] = { { 130, "fetch-data" }, { 131, "fetch-acl" }, { 132, "fetch-status" }, { 133, "store-data" }, { 134, "store-acl" }, { 135, "store-status" }, { 136, "remove-file" }, { 137, "create-file" }, { 138, "rename" }, { 139, "symlink" }, { 140, "link" }, { 141, "makedir" }, { 142, "rmdir" }, { 143, "oldsetlock" }, { 144, "oldextlock" }, { 145, "oldrellock" }, { 146, "get-stats" }, { 147, "give-cbs" }, { 148, "get-vlinfo" }, { 149, "get-vlstats" }, { 150, "set-vlstats" }, { 151, "get-rootvl" }, { 152, "check-token" }, { 153, "get-time" }, { 154, "nget-vlinfo" }, { 155, "bulk-stat" }, { 156, "setlock" }, { 157, "extlock" }, { 158, "rellock" }, { 159, "xstat-ver" }, { 160, "get-xstat" }, { 161, "dfs-lookup" }, { 162, "dfs-flushcps" }, { 163, "dfs-symlink" }, { 220, "residency" }, { 0, NULL }, }; static struct tok cb_req[] = { { 204, "callback" }, { 205, "initcb" }, { 206, "probe" }, { 207, "getlock" }, { 208, "getce" }, { 209, "xstatver" }, { 210, "getxstat" }, { 211, "initcb2" }, { 212, "whoareyou" }, { 213, "initcb3" }, { 214, "probeuuid" }, { 215, "getsrvprefs" }, { 216, "getcellservdb" }, { 217, "getlocalcell" }, { 218, "getcacheconf" }, { 0, NULL }, }; static struct tok pt_req[] = { { 500, "new-user" }, { 501, "where-is-it" }, { 502, "dump-entry" }, { 503, "add-to-group" }, { 504, "name-to-id" }, { 505, "id-to-name" }, { 506, "delete" }, { 507, "remove-from-group" }, { 508, "get-cps" }, { 509, "new-entry" }, { 510, "list-max" }, { 511, "set-max" }, { 512, "list-entry" }, { 513, "change-entry" }, { 514, "list-elements" }, { 515, "same-mbr-of" }, { 516, "set-fld-sentry" }, { 517, "list-owned" }, { 518, "get-cps2" }, { 519, "get-host-cps" }, { 520, "update-entry" }, { 521, "list-entries" }, { 0, NULL }, }; static struct tok vldb_req[] = { { 501, "create-entry" }, { 502, "delete-entry" }, { 503, "get-entry-by-id" }, { 504, "get-entry-by-name" }, { 505, "get-new-volume-id" }, { 506, "replace-entry" }, { 507, "update-entry" }, { 508, "setlock" }, { 509, "releaselock" }, { 510, "list-entry" }, { 511, "list-attrib" }, { 512, "linked-list" }, { 513, "get-stats" }, { 514, "probe" }, { 515, "get-addrs" }, { 516, "change-addr" }, { 517, "create-entry-n" }, { 518, "get-entry-by-id-n" }, { 519, "get-entry-by-name-n" }, { 520, "replace-entry-n" }, { 521, "list-entry-n" }, { 522, "list-attrib-n" }, { 523, "linked-list-n" }, { 524, "update-entry-by-name" }, { 525, "create-entry-u" }, { 526, "get-entry-by-id-u" }, { 527, "get-entry-by-name-u" }, { 528, "replace-entry-u" }, { 529, "list-entry-u" }, { 530, "list-attrib-u" }, { 531, "linked-list-u" }, { 532, "regaddr" }, { 533, "get-addrs-u" }, { 534, "list-attrib-n2" }, { 0, NULL }, }; static struct tok kauth_req[] = { { 1, "auth-old" }, { 21, "authenticate" }, { 22, "authenticate-v2" }, { 2, "change-pw" }, { 3, "get-ticket-old" }, { 23, "get-ticket" }, { 4, "set-pw" }, { 5, "set-fields" }, { 6, "create-user" }, { 7, "delete-user" }, { 8, "get-entry" }, { 9, "list-entry" }, { 10, "get-stats" }, { 11, "debug" }, { 12, "get-pw" }, { 13, "get-random-key" }, { 14, "unlock" }, { 15, "lock-status" }, { 0, NULL }, }; static struct tok vol_req[] = { { 100, "create-volume" }, { 101, "delete-volume" }, { 102, "restore" }, { 103, "forward" }, { 104, "end-trans" }, { 105, "clone" }, { 106, "set-flags" }, { 107, "get-flags" }, { 108, "trans-create" }, { 109, "dump" }, { 110, "get-nth-volume" }, { 111, "set-forwarding" }, { 112, "get-name" }, { 113, "get-status" }, { 114, "sig-restore" }, { 115, "list-partitions" }, { 116, "list-volumes" }, { 117, "set-id-types" }, { 118, "monitor" }, { 119, "partition-info" }, { 120, "reclone" }, { 121, "list-one-volume" }, { 122, "nuke" }, { 123, "set-date" }, { 124, "x-list-volumes" }, { 125, "x-list-one-volume" }, { 126, "set-info" }, { 127, "x-list-partitions" }, { 128, "forward-multiple" }, { 0, NULL }, }; static struct tok bos_req[] = { { 80, "create-bnode" }, { 81, "delete-bnode" }, { 82, "set-status" }, { 83, "get-status" }, { 84, "enumerate-instance" }, { 85, "get-instance-info" }, { 86, "get-instance-parm" }, { 87, "add-superuser" }, { 88, "delete-superuser" }, { 89, "list-superusers" }, { 90, "list-keys" }, { 91, "add-key" }, { 92, "delete-key" }, { 93, "set-cell-name" }, { 94, "get-cell-name" }, { 95, "get-cell-host" }, { 96, "add-cell-host" }, { 97, "delete-cell-host" }, { 98, "set-t-status" }, { 99, "shutdown-all" }, { 100, "restart-all" }, { 101, "startup-all" }, { 102, "set-noauth-flag" }, { 103, "re-bozo" }, { 104, "restart" }, { 105, "start-bozo-install" }, { 106, "uninstall" }, { 107, "get-dates" }, { 108, "exec" }, { 109, "prune" }, { 110, "set-restart-time" }, { 111, "get-restart-time" }, { 112, "start-bozo-log" }, { 113, "wait-all" }, { 114, "get-instance-strings" }, { 115, "get-restricted" }, { 116, "set-restricted" }, { 0, NULL }, }; static struct tok ubik_req[] = { { 10000, "vote-beacon" }, { 10001, "vote-debug-old" }, { 10002, "vote-sdebug-old" }, { 10003, "vote-getsyncsite" }, { 10004, "vote-debug" }, { 10005, "vote-sdebug" }, { 20000, "disk-begin" }, { 20001, "disk-commit" }, { 20002, "disk-lock" }, { 20003, "disk-write" }, { 20004, "disk-getversion" }, { 20005, "disk-getfile" }, { 20006, "disk-sendfile" }, { 20007, "disk-abort" }, { 20008, "disk-releaselocks" }, { 20009, "disk-truncate" }, { 20010, "disk-probe" }, { 20011, "disk-writev" }, { 20012, "disk-interfaceaddr" }, { 20013, "disk-setversion" }, { 0, NULL }, }; #define VOTE_LOW 10000 #define VOTE_HIGH 10005 #define DISK_LOW 20000 #define DISK_HIGH 20013 static struct tok cb_types[] = { { 1, "exclusive" }, { 2, "shared" }, { 3, "dropped" }, { 0, NULL }, }; static struct tok ubik_lock_types[] = { { 1, "read" }, { 2, "write" }, { 3, "wait" }, { 0, NULL }, }; static char *voltype[] = { "read-write", "read-only", "backup" }; static struct tok afs_fs_errors[] = { { 101, "salvage volume" }, { 102, "no such vnode" }, { 103, "no such volume" }, { 104, "volume exist" }, { 105, "no service" }, { 106, "volume offline" }, { 107, "voline online" }, { 108, "diskfull" }, { 109, "diskquota exceeded" }, { 110, "volume busy" }, { 111, "volume moved" }, { 112, "AFS IO error" }, { -100, "restarting fileserver" }, { 0, NULL } }; /* * Reasons for acknowledging a packet */ static struct tok rx_ack_reasons[] = { { 1, "ack requested" }, { 2, "duplicate packet" }, { 3, "out of sequence" }, { 4, "exceeds window" }, { 5, "no buffer space" }, { 6, "ping" }, { 7, "ping response" }, { 8, "delay" }, { 0, NULL }, }; /* * Cache entries we keep around so we can figure out the RX opcode * numbers for replies. This allows us to make sense of RX reply packets. */ struct rx_cache_entry { u_int32_t callnum; /* Call number (net order) */ struct in_addr client; /* client IP address (net order) */ struct in_addr server; /* server IP address (net order) */ int dport; /* server port (host order) */ u_short serviceId; /* Service identifier (net order) */ u_int32_t opcode; /* RX opcode (host order) */ }; #define RX_CACHE_SIZE 64 static struct rx_cache_entry rx_cache[RX_CACHE_SIZE]; static int rx_cache_next = 0; static int rx_cache_hint = 0; static void rx_cache_insert(const u_char *, const struct ip *, int, int); static int rx_cache_find(const struct rx_header *, const struct ip *, int, int32_t *); static void ack_print(const u_char *, int); static void fs_print(const u_char *, int); static void fs_reply_print(const u_char *, int, int32_t); static void acl_print(u_char *, int, u_char *); static void cb_print(const u_char *, int); static void cb_reply_print(const u_char *, int, int32_t); static void prot_print(const u_char *, int); static void prot_reply_print(const u_char *, int, int32_t); static void vldb_print(const u_char *, int); static void vldb_reply_print(const u_char *, int, int32_t); static void kauth_print(const u_char *, int); static void kauth_reply_print(const u_char *, int, int32_t); static void vol_print(const u_char *, int); static void vol_reply_print(const u_char *, int, int32_t); static void bos_print(const u_char *, int); static void bos_reply_print(const u_char *, int, int32_t); static void ubik_print(const u_char *, int); static void ubik_reply_print(const u_char *, int, int32_t); static void rx_ack_print(const u_char *, int); static int is_ubik(u_int32_t); /* * Handle the rx-level packet. See if we know what port it's going to so * we can peek at the afs call inside */ void rx_print(register const u_char *bp, int length, int sport, int dport, u_char *bp2) { register struct rx_header *rxh; int i; int32_t opcode; if (snapend - bp < sizeof (struct rx_header)) { printf(" [|rx] (%d)", length); return; } rxh = (struct rx_header *) bp; printf(" rx %s", tok2str(rx_types, "type %d", rxh->type)); if (vflag) { int firstflag = 0; if (vflag > 1) printf(" cid %08x call# %d", (int) EXTRACT_32BITS(&rxh->cid), (int) EXTRACT_32BITS(&rxh->callNumber)); printf(" seq %d ser %d", (int) EXTRACT_32BITS(&rxh->seq), (int) EXTRACT_32BITS(&rxh->serial)); if (vflag > 2) printf(" secindex %d serviceid %hu", (int) rxh->securityIndex, EXTRACT_16BITS(&rxh->serviceId)); if (vflag > 1) for (i = 0; i < NUM_RX_FLAGS; i++) { if (rxh->flags & rx_flags[i].flag && (!rx_flags[i].packetType || rxh->type == rx_flags[i].packetType)) { if (!firstflag) { firstflag = 1; printf(" "); } else { printf(","); } printf("<%s>", rx_flags[i].s); } } } /* * Try to handle AFS calls that we know about. Check the destination * port and make sure it's a data packet. Also, make sure the * seq number is 1 (because otherwise it's a continuation packet, * and we can't interpret that). Also, seems that reply packets * do not have the client-init flag set, so we check for that * as well. */ if (rxh->type == RX_PACKET_TYPE_ACK) ack_print(bp, length); else if (rxh->type == RX_PACKET_TYPE_DATA && EXTRACT_32BITS(&rxh->seq) == 1 && rxh->flags & RX_CLIENT_INITIATED) { /* * Insert this call into the call cache table, so we * have a chance to print out replies */ rx_cache_insert(bp, (const struct ip *) bp2, dport, length); switch (dport) { case FS_RX_PORT: /* AFS file service */ fs_print(bp, length); break; case CB_RX_PORT: /* AFS callback service */ cb_print(bp, length); break; case PROT_RX_PORT: /* AFS protection service */ prot_print(bp, length); break; case VLDB_RX_PORT: /* AFS VLDB service */ vldb_print(bp, length); break; case KAUTH_RX_PORT: /* AFS Kerberos auth service */ kauth_print(bp, length); break; case VOL_RX_PORT: /* AFS Volume service */ vol_print(bp, length); break; case BOS_RX_PORT: /* AFS BOS service */ bos_print(bp, length); break; default: ; } /* * If it's a reply (client-init is _not_ set, but seq is one) * then look it up in the cache. If we find it, call the reply * printing functions Note that we handle abort packets here, * because printing out the return code can be useful at times. */ } else if (((rxh->type == RX_PACKET_TYPE_DATA && EXTRACT_32BITS(&rxh->seq) == 1) || rxh->type == RX_PACKET_TYPE_ABORT) && (rxh->flags & RX_CLIENT_INITIATED) == 0 && rx_cache_find(rxh, (const struct ip *) bp2, sport, &opcode)) { switch (sport) { case FS_RX_PORT: /* AFS file service */ fs_reply_print(bp, length, opcode); break; case CB_RX_PORT: /* AFS callback service */ cb_reply_print(bp, length, opcode); break; case PROT_RX_PORT: /* AFS PT service */ prot_reply_print(bp, length, opcode); break; case VLDB_RX_PORT: /* AFS VLDB service */ vldb_reply_print(bp, length, opcode); break; case KAUTH_RX_PORT: /* AFS Kerberos auth service */ kauth_reply_print(bp, length, opcode); break; case VOL_RX_PORT: /* AFS Volume service */ vol_reply_print(bp, length, opcode); break; case BOS_RX_PORT: /* AFS BOS service */ bos_reply_print(bp, length, opcode); break; default: ; } /* * If it's an RX ack packet, then use the appropriate ack decoding * function (there isn't any service-specific information in the * ack packet, so we can use one for all AFS services) */ } else if (rxh->type == RX_PACKET_TYPE_ACK) rx_ack_print(bp, length); printf(" (%d)", length); } /* * Insert an entry into the cache. Taken from print-nfs.c */ static void rx_cache_insert(const u_char *bp, const struct ip *ip, int dport, int length) { struct rx_cache_entry *rxent; const struct rx_header *rxh = (const struct rx_header *) bp; if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) return; rxent = &rx_cache[rx_cache_next]; if (++rx_cache_next >= RX_CACHE_SIZE) rx_cache_next = 0; rxent->callnum = rxh->callNumber; rxent->client = ip->ip_src; rxent->server = ip->ip_dst; rxent->dport = dport; rxent->serviceId = rxh->serviceId; rxent->opcode = EXTRACT_32BITS(bp + sizeof(struct rx_header)); } /* * Lookup an entry in the cache. Also taken from print-nfs.c * * Note that because this is a reply, we're looking at the _source_ * port. */ static int rx_cache_find(const struct rx_header *rxh, const struct ip *ip, int sport, int32_t *opcode) { int i; struct rx_cache_entry *rxent; u_int32_t clip = ip->ip_dst.s_addr; u_int32_t sip = ip->ip_src.s_addr; /* Start the search where we last left off */ i = rx_cache_hint; do { rxent = &rx_cache[i]; if (rxent->callnum == rxh->callNumber && rxent->client.s_addr == clip && rxent->server.s_addr == sip && rxent->serviceId == rxh->serviceId && rxent->dport == sport) { /* We got a match! */ rx_cache_hint = i; *opcode = rxent->opcode; return(1); } if (++i > RX_CACHE_SIZE) i = 0; } while (i != rx_cache_hint); /* Our search failed */ return(0); } /* * These extrememly grody macros handle the printing of various AFS stuff. */ #define FIDOUT() { unsigned long n1, n2, n3; \ TCHECK2(bp[0], sizeof(int32_t) * 3); \ n1 = EXTRACT_32BITS(bp); \ bp += sizeof(int32_t); \ n2 = EXTRACT_32BITS(bp); \ bp += sizeof(int32_t); \ n3 = EXTRACT_32BITS(bp); \ bp += sizeof(int32_t); \ printf(" fid %d/%d/%d", (int) n1, (int) n2, (int) n3); \ } #define STROUT(MAX) { unsigned int i; \ TCHECK2(bp[0], sizeof(int32_t)); \ i = EXTRACT_32BITS(bp); \ if (i > (MAX)) \ goto trunc; \ bp += sizeof(int32_t); \ printf(" \""); \ if (fn_printn(bp, i, snapend)) \ goto trunc; \ printf("\""); \ bp += ((i + sizeof(int32_t) - 1) / sizeof(int32_t)) * sizeof(int32_t); \ } #define INTOUT() { int i; \ TCHECK2(bp[0], sizeof(int32_t)); \ i = (int) EXTRACT_32BITS(bp); \ bp += sizeof(int32_t); \ printf(" %d", i); \ } #define UINTOUT() { unsigned long i; \ TCHECK2(bp[0], sizeof(int32_t)); \ i = EXTRACT_32BITS(bp); \ bp += sizeof(int32_t); \ printf(" %lu", i); \ } #define DATEOUT() { time_t t; struct tm *tm; char str[256]; \ TCHECK2(bp[0], sizeof(int32_t)); \ t = (time_t) EXTRACT_32BITS(bp); \ bp += sizeof(int32_t); \ tm = localtime(&t); \ strftime(str, 256, "%Y/%m/%d %T", tm); \ printf(" %s", str); \ } #define STOREATTROUT() { unsigned long mask, i; \ TCHECK2(bp[0], (sizeof(int32_t)*6)); \ mask = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \ if (mask) printf (" StoreStatus"); \ if (mask & 1) { printf(" date"); DATEOUT(); } \ else bp += sizeof(int32_t); \ i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \ if (mask & 2) printf(" owner %lu", i); \ i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \ if (mask & 4) printf(" group %lu", i); \ i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \ if (mask & 8) printf(" mode %lo", i & 07777); \ i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \ if (mask & 16) printf(" segsize %lu", i); \ /* undocumented in 3.3 docu */ \ if (mask & 1024) printf(" fsync"); \ } #define UBIK_VERSIONOUT() {int32_t epoch; int32_t counter; \ TCHECK2(bp[0], sizeof(int32_t) * 2); \ epoch = EXTRACT_32BITS(bp); \ bp += sizeof(int32_t); \ counter = EXTRACT_32BITS(bp); \ bp += sizeof(int32_t); \ printf(" %d.%d", epoch, counter); \ } #define AFSUUIDOUT() {u_int32_t temp; int i; \ TCHECK2(bp[0], 11*sizeof(u_int32_t)); \ temp = EXTRACT_32BITS(bp); \ bp += sizeof(u_int32_t); \ printf(" %08x", temp); \ temp = EXTRACT_32BITS(bp); \ bp += sizeof(u_int32_t); \ printf("%04x", temp); \ temp = EXTRACT_32BITS(bp); \ bp += sizeof(u_int32_t); \ printf("%04x", temp); \ for (i = 0; i < 8; i++) { \ temp = EXTRACT_32BITS(bp); \ bp += sizeof(u_int32_t); \ printf("%02x", (unsigned char) temp); \ } \ } /* * This is the sickest one of all */ #define VECOUT(MAX) { u_char *sp; \ u_char s[AFSNAMEMAX]; \ int k; \ if ((MAX) + 1 > sizeof(s)) \ goto trunc; \ TCHECK2(bp[0], (MAX) * sizeof(int32_t)); \ sp = s; \ for (k = 0; k < (MAX); k++) { \ *sp++ = (u_char) EXTRACT_32BITS(bp); \ bp += sizeof(int32_t); \ } \ s[(MAX)] = '\0'; \ printf(" \""); \ fn_print(s, NULL); \ printf("\""); \ } static void ack_print(register const u_char *bp, int length) { u_char nAcks; int i; if (vflag <= 1) return; if (length <= sizeof(struct rx_header)) return; bp += sizeof(struct rx_header); /* * Packets < firstPacket are implicitly acknowledged and may * be discarded by the sender. * * Packets >= firstPacket+nAcks are implicitly NOT acknowledged. * * No packets with sequence numbers >= firstPacket should be * discarded by the sender (they may thrown out at any time by * the receiver) */ #define RX_ACK_REASONS "RDOXSprn" /* Requested, Duplicate, Out_of_sequence, eXceeds_window, no_Space, * Ping, ping_Response, No_{progress, particular_reason}. */ #if 0 struct rx_ackPacket { u_short bufferSpace; /* Skip! */ u_short maxSkew; /* Skip! */ u_long firstPacket; u_long previousPacket; /* Obsolete! */ u_long serial; /* Serial that prompted the ack, */ u_char reason; /* and the reason why. */ u_char nAcks; u_char acks[RX_MAXACKS]; /* Selective acks (not a bitmap). */ }; #endif #define RX_ACK_TYPE_NACK 0 TCHECK2(bp[0], 8); /* bufferSpace and maxSkew */ bp += 4; printf(" fir %u", (unsigned)EXTRACT_32BITS(bp)); bp += 4; TCHECK2(bp[0], 8); /* previousPacket and serial */ bp += 4; printf(" %u", (unsigned)EXTRACT_32BITS(bp)); bp += 4; TCHECK2(bp[0], 1); printf("%c", RX_ACK_REASONS[(*bp - 1) & 07u]); bp += 1; /* reason */ TCHECK2(bp[0], 1); nAcks = *bp; bp += 1; /* nAcks */ for (i = 0; i < nAcks; i++) { TCHECK2(bp[0], 1); putchar(*bp == RX_ACK_TYPE_NACK? '-' : '*'); bp += 1; } return; trunc: printf(" [|ack]"); } /* * Handle calls to the AFS file service (fs) */ static void fs_print(register const u_char *bp, int length) { int fs_op; unsigned long i; if (length <= sizeof(struct rx_header)) return; if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) { goto trunc; } /* * Print out the afs call we're invoking. The table used here was * gleaned from fsint/afsint.xg */ fs_op = EXTRACT_32BITS(bp + sizeof(struct rx_header)); printf(" fs call %s", tok2str(fs_req, "op#%d", fs_op)); /* * Print out arguments to some of the AFS calls. This stuff is * all from afsint.xg */ bp += sizeof(struct rx_header) + 4; /* * Sigh. This is gross. Ritchie forgive me. */ switch (fs_op) { case 130: /* Fetch data */ FIDOUT(); printf(" offset"); UINTOUT(); printf(" length"); UINTOUT(); break; case 131: /* Fetch ACL */ case 132: /* Fetch Status */ case 143: /* Old set lock */ case 144: /* Old extend lock */ case 145: /* Old release lock */ case 156: /* Set lock */ case 157: /* Extend lock */ case 158: /* Release lock */ FIDOUT(); break; case 135: /* Store status */ FIDOUT(); STOREATTROUT(); break; case 133: /* Store data */ FIDOUT(); STOREATTROUT(); printf(" offset"); UINTOUT(); printf(" length"); UINTOUT(); printf(" flen"); UINTOUT(); break; case 134: /* Store ACL */ { char a[AFSOPAQUEMAX+1]; FIDOUT(); TCHECK2(bp[0], 4); i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); TCHECK2(bp[0], i); i = min(AFSOPAQUEMAX, i); strncpy(a, (char *) bp, i); a[i] = '\0'; acl_print((u_char *) a, sizeof(a), (u_char *) a + i); break; } case 137: /* Create file */ case 141: /* MakeDir */ FIDOUT(); STROUT(AFSNAMEMAX); STOREATTROUT(); break; case 136: /* Remove file */ case 142: /* Remove directory */ FIDOUT(); STROUT(AFSNAMEMAX); break; case 138: /* Rename file */ printf(" old"); FIDOUT(); STROUT(AFSNAMEMAX); printf(" new"); FIDOUT(); STROUT(AFSNAMEMAX); break; case 139: /* Symlink */ FIDOUT(); STROUT(AFSNAMEMAX); printf(" link to"); STROUT(AFSNAMEMAX); break; case 140: /* Link */ FIDOUT(); STROUT(AFSNAMEMAX); printf(" link to"); FIDOUT(); break; case 148: /* Get volume info */ STROUT(AFSNAMEMAX); break; case 149: /* Get volume stats */ case 150: /* Set volume stats */ printf(" volid"); UINTOUT(); break; case 154: /* New get volume info */ printf(" volname"); STROUT(AFSNAMEMAX); break; case 155: /* Bulk stat */ { unsigned long j; TCHECK2(bp[0], 4); j = EXTRACT_32BITS(bp); bp += sizeof(int32_t); for (i = 0; i < j; i++) { FIDOUT(); if (i != j - 1) printf(","); } if (j == 0) printf(" "); } default: ; } return; trunc: printf(" [|fs]"); } /* * Handle replies to the AFS file service */ static void fs_reply_print(register const u_char *bp, int length, int32_t opcode) { unsigned long i; struct rx_header *rxh; if (length <= sizeof(struct rx_header)) return; rxh = (struct rx_header *) bp; /* * Print out the afs call we're invoking. The table used here was * gleaned from fsint/afsint.xg */ printf(" fs reply %s", tok2str(fs_req, "op#%d", opcode)); bp += sizeof(struct rx_header); /* * If it was a data packet, interpret the response */ if (rxh->type == RX_PACKET_TYPE_DATA) { switch (opcode) { case 131: /* Fetch ACL */ { char a[AFSOPAQUEMAX+1]; TCHECK2(bp[0], 4); i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); TCHECK2(bp[0], i); i = min(AFSOPAQUEMAX, i); strncpy(a, (char *) bp, i); a[i] = '\0'; acl_print((u_char *) a, sizeof(a), (u_char *) a + i); break; } case 137: /* Create file */ case 141: /* MakeDir */ printf(" new"); FIDOUT(); break; case 151: /* Get root volume */ printf(" root volume"); STROUT(AFSNAMEMAX); break; case 153: /* Get time */ DATEOUT(); break; default: ; } } else if (rxh->type == RX_PACKET_TYPE_ABORT) { int i; /* * Otherwise, just print out the return code */ TCHECK2(bp[0], sizeof(int32_t)); i = (int) EXTRACT_32BITS(bp); bp += sizeof(int32_t); printf(" error %s", tok2str(afs_fs_errors, "#%d", i)); } else { printf(" strange fs reply of type %d", rxh->type); } return; trunc: printf(" [|fs]"); } /* * Print out an AFS ACL string. An AFS ACL is a string that has the * following format: * * * * .... * * "positive" and "negative" are integers which contain the number of * positive and negative ACL's in the string. The uid/aclbits pair are * ASCII strings containing the UID/PTS record and and a ascii number * representing a logical OR of all the ACL permission bits */ static void acl_print(u_char *s, int maxsize, u_char *end) { int pos, neg, acl; int n, i; char *user; if ((user = (char *)malloc(maxsize)) == NULL) return; if (sscanf((char *) s, "%d %d\n%n", &pos, &neg, &n) != 2) goto finish; s += n; if (s > end) goto finish; /* * This wacky order preserves the order used by the "fs" command */ #define ACLOUT(acl) \ if (acl & PRSFS_READ) \ printf("r"); \ if (acl & PRSFS_LOOKUP) \ printf("l"); \ if (acl & PRSFS_INSERT) \ printf("i"); \ if (acl & PRSFS_DELETE) \ printf("d"); \ if (acl & PRSFS_WRITE) \ printf("w"); \ if (acl & PRSFS_LOCK) \ printf("k"); \ if (acl & PRSFS_ADMINISTER) \ printf("a"); for (i = 0; i < pos; i++) { if (sscanf((char *) s, "%s %d\n%n", user, &acl, &n) != 2) goto finish; s += n; printf(" +{"); fn_print((u_char *)user, NULL); printf(" "); ACLOUT(acl); printf("}"); if (s > end) goto finish; } for (i = 0; i < neg; i++) { if (sscanf((char *) s, "%s %d\n%n", user, &acl, &n) != 2) goto finish; s += n; printf(" -{"); fn_print((u_char *)user, NULL); printf(" "); ACLOUT(acl); printf("}"); if (s > end) goto finish; } finish: free(user); return; } #undef ACLOUT /* * Handle calls to the AFS callback service */ static void cb_print(register const u_char *bp, int length) { int cb_op; unsigned long i; if (length <= sizeof(struct rx_header)) return; if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) { goto trunc; } /* * Print out the afs call we're invoking. The table used here was * gleaned from fsint/afscbint.xg */ cb_op = EXTRACT_32BITS(bp + sizeof(struct rx_header)); printf(" cb call %s", tok2str(cb_req, "op#%d", cb_op)); bp += sizeof(struct rx_header) + 4; /* * Print out the afs call we're invoking. The table used here was * gleaned from fsint/afscbint.xg */ switch (cb_op) { case 204: /* Callback */ { unsigned long j, t; TCHECK2(bp[0], 4); j = EXTRACT_32BITS(bp); bp += sizeof(int32_t); for (i = 0; i < j; i++) { FIDOUT(); if (i != j - 1) printf(","); } if (j == 0) printf(" "); j = EXTRACT_32BITS(bp); bp += sizeof(int32_t); if (j != 0) printf(";"); for (i = 0; i < j; i++) { printf(" ver"); INTOUT(); printf(" expires"); DATEOUT(); TCHECK2(bp[0], 4); t = EXTRACT_32BITS(bp); bp += sizeof(int32_t); tok2str(cb_types, "type %d", t); } } case 214: { printf(" afsuuid"); AFSUUIDOUT(); break; } default: ; } return; trunc: printf(" [|cb]"); } /* * Handle replies to the AFS Callback Service */ static void cb_reply_print(register const u_char *bp, int length, int32_t opcode) { struct rx_header *rxh; if (length <= sizeof(struct rx_header)) return; rxh = (struct rx_header *) bp; /* * Print out the afs call we're invoking. The table used here was * gleaned from fsint/afscbint.xg */ printf(" cb reply %s", tok2str(cb_req, "op#%d", opcode)); bp += sizeof(struct rx_header); /* * If it was a data packet, interpret the response. */ if (rxh->type == RX_PACKET_TYPE_DATA) switch (opcode) { case 213: /* InitCallBackState3 */ AFSUUIDOUT(); break; default: ; } else { /* * Otherwise, just print out the return code */ printf(" errcode"); INTOUT(); } return; trunc: printf(" [|cb]"); } /* * Handle calls to the AFS protection database server */ static void prot_print(register const u_char *bp, int length) { unsigned long i; int pt_op; if (length <= sizeof(struct rx_header)) return; if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) { goto trunc; } /* * Print out the afs call we're invoking. The table used here was * gleaned from ptserver/ptint.xg */ pt_op = EXTRACT_32BITS(bp + sizeof(struct rx_header)); printf(" pt"); if (is_ubik(pt_op)) { ubik_print(bp, length); return; } printf(" call %s", tok2str(pt_req, "op#%d", pt_op)); /* * Decode some of the arguments to the PT calls */ bp += sizeof(struct rx_header) + 4; switch (pt_op) { case 500: /* I New User */ STROUT(PRNAMEMAX); printf(" id"); INTOUT(); printf(" oldid"); INTOUT(); break; case 501: /* Where is it */ case 506: /* Delete */ case 508: /* Get CPS */ case 512: /* List entry */ case 514: /* List elements */ case 517: /* List owned */ case 518: /* Get CPS2 */ case 519: /* Get host CPS */ printf(" id"); INTOUT(); break; case 502: /* Dump entry */ printf(" pos"); INTOUT(); break; case 503: /* Add to group */ case 507: /* Remove from group */ case 515: /* Is a member of? */ printf(" uid"); INTOUT(); printf(" gid"); INTOUT(); break; case 504: /* Name to ID */ { unsigned long j; TCHECK2(bp[0], 4); j = EXTRACT_32BITS(bp); bp += sizeof(int32_t); /* * Who designed this chicken-shit protocol? * * Each character is stored as a 32-bit * integer! */ for (i = 0; i < j; i++) { VECOUT(PRNAMEMAX); } if (j == 0) printf(" "); } break; case 505: /* Id to name */ { unsigned long j; printf(" ids:"); TCHECK2(bp[0], 4); i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); for (j = 0; j < i; j++) INTOUT(); if (j == 0) printf(" "); } break; case 509: /* New entry */ STROUT(PRNAMEMAX); printf(" flag"); INTOUT(); printf(" oid"); INTOUT(); break; case 511: /* Set max */ printf(" id"); INTOUT(); printf(" gflag"); INTOUT(); break; case 513: /* Change entry */ printf(" id"); INTOUT(); STROUT(PRNAMEMAX); printf(" oldid"); INTOUT(); printf(" newid"); INTOUT(); break; case 520: /* Update entry */ printf(" id"); INTOUT(); STROUT(PRNAMEMAX); break; default: ; } return; trunc: printf(" [|pt]"); } /* * Handle replies to the AFS protection service */ static void prot_reply_print(register const u_char *bp, int length, int32_t opcode) { struct rx_header *rxh; unsigned long i; if (length < sizeof(struct rx_header)) return; rxh = (struct rx_header *) bp; /* * Print out the afs call we're invoking. The table used here was * gleaned from ptserver/ptint.xg. Check to see if it's a * Ubik call, however. */ printf(" pt"); if (is_ubik(opcode)) { ubik_reply_print(bp, length, opcode); return; } printf(" reply %s", tok2str(pt_req, "op#%d", opcode)); bp += sizeof(struct rx_header); /* * If it was a data packet, interpret the response */ if (rxh->type == RX_PACKET_TYPE_DATA) switch (opcode) { case 504: /* Name to ID */ { unsigned long j; printf(" ids:"); TCHECK2(bp[0], 4); i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); for (j = 0; j < i; j++) INTOUT(); if (j == 0) printf(" "); } break; case 505: /* ID to name */ { unsigned long j; TCHECK2(bp[0], 4); j = EXTRACT_32BITS(bp); bp += sizeof(int32_t); /* * Who designed this chicken-shit protocol? * * Each character is stored as a 32-bit * integer! */ for (i = 0; i < j; i++) { VECOUT(PRNAMEMAX); } if (j == 0) printf(" "); } break; case 508: /* Get CPS */ case 514: /* List elements */ case 517: /* List owned */ case 518: /* Get CPS2 */ case 519: /* Get host CPS */ { unsigned long j; TCHECK2(bp[0], 4); j = EXTRACT_32BITS(bp); bp += sizeof(int32_t); for (i = 0; i < j; i++) { INTOUT(); } if (j == 0) printf(" "); } break; case 510: /* List max */ printf(" maxuid"); INTOUT(); printf(" maxgid"); INTOUT(); break; default: ; } else { /* * Otherwise, just print out the return code */ printf(" errcode"); INTOUT(); } return; trunc: printf(" [|pt]"); } /* * Handle calls to the AFS volume location database service */ static void vldb_print(register const u_char *bp, int length) { int vldb_op; unsigned long i; if (length <= sizeof(struct rx_header)) return; if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) { goto trunc; } /* * Print out the afs call we're invoking. The table used here was * gleaned from vlserver/vldbint.xg */ vldb_op = EXTRACT_32BITS(bp + sizeof(struct rx_header)); printf(" vldb"); if (is_ubik(vldb_op)) { ubik_print(bp, length); return; } printf(" call %s", tok2str(vldb_req, "op#%d", vldb_op)); /* * Decode some of the arguments to the VLDB calls */ bp += sizeof(struct rx_header) + 4; switch (vldb_op) { case 501: /* Create new volume */ case 517: /* Create entry N */ VECOUT(VLNAMEMAX); break; case 502: /* Delete entry */ case 503: /* Get entry by ID */ case 507: /* Update entry */ case 508: /* Set lock */ case 509: /* Release lock */ case 518: /* Get entry by ID N */ printf(" volid"); INTOUT(); TCHECK2(bp[0], sizeof(int32_t)); i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); if (i <= 2) printf(" type %s", voltype[i]); break; case 504: /* Get entry by name */ case 519: /* Get entry by name N */ case 524: /* Update entry by name */ case 527: /* Get entry by name U */ STROUT(VLNAMEMAX); break; case 505: /* Get new vol id */ printf(" bump"); INTOUT(); break; case 506: /* Replace entry */ case 520: /* Replace entry N */ printf(" volid"); INTOUT(); TCHECK2(bp[0], sizeof(int32_t)); i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); if (i <= 2) printf(" type %s", voltype[i]); VECOUT(VLNAMEMAX); break; case 510: /* List entry */ case 521: /* List entry N */ printf(" index"); INTOUT(); break; default: ; } return; trunc: printf(" [|vldb]"); } /* * Handle replies to the AFS volume location database service */ static void vldb_reply_print(register const u_char *bp, int length, int32_t opcode) { struct rx_header *rxh; unsigned long i; if (length < sizeof(struct rx_header)) return; rxh = (struct rx_header *) bp; /* * Print out the afs call we're invoking. The table used here was * gleaned from vlserver/vldbint.xg. Check to see if it's a * Ubik call, however. */ printf(" vldb"); if (is_ubik(opcode)) { ubik_reply_print(bp, length, opcode); return; } printf(" reply %s", tok2str(vldb_req, "op#%d", opcode)); bp += sizeof(struct rx_header); /* * If it was a data packet, interpret the response */ if (rxh->type == RX_PACKET_TYPE_DATA) switch (opcode) { case 510: /* List entry */ printf(" count"); INTOUT(); printf(" nextindex"); INTOUT(); case 503: /* Get entry by id */ case 504: /* Get entry by name */ { unsigned long nservers, j; VECOUT(VLNAMEMAX); TCHECK2(bp[0], sizeof(int32_t)); bp += sizeof(int32_t); printf(" numservers"); TCHECK2(bp[0], sizeof(int32_t)); nservers = EXTRACT_32BITS(bp); bp += sizeof(int32_t); printf(" %lu", nservers); printf(" servers"); for (i = 0; i < 8; i++) { TCHECK2(bp[0], sizeof(int32_t)); if (i < nservers) printf(" %s", inet_ntoa(*((struct in_addr *) bp))); bp += sizeof(int32_t); } printf(" partitions"); for (i = 0; i < 8; i++) { TCHECK2(bp[0], sizeof(int32_t)); j = EXTRACT_32BITS(bp); if (i < nservers && j <= 26) printf(" %c", 'a' + (int)j); else if (i < nservers) printf(" %lu", j); bp += sizeof(int32_t); } TCHECK2(bp[0], 8 * sizeof(int32_t)); bp += 8 * sizeof(int32_t); printf(" rwvol"); UINTOUT(); printf(" rovol"); UINTOUT(); printf(" backup"); UINTOUT(); } break; case 505: /* Get new volume ID */ printf(" newvol"); UINTOUT(); break; case 521: /* List entry */ case 529: /* List entry U */ printf(" count"); INTOUT(); printf(" nextindex"); INTOUT(); case 518: /* Get entry by ID N */ case 519: /* Get entry by name N */ { unsigned long nservers, j; VECOUT(VLNAMEMAX); printf(" numservers"); TCHECK2(bp[0], sizeof(int32_t)); nservers = EXTRACT_32BITS(bp); bp += sizeof(int32_t); printf(" %lu", nservers); printf(" servers"); for (i = 0; i < 13; i++) { TCHECK2(bp[0], sizeof(int32_t)); if (i < nservers) printf(" %s", inet_ntoa(*((struct in_addr *) bp))); bp += sizeof(int32_t); } printf(" partitions"); for (i = 0; i < 13; i++) { TCHECK2(bp[0], sizeof(int32_t)); j = EXTRACT_32BITS(bp); if (i < nservers && j <= 26) printf(" %c", 'a' + (int)j); else if (i < nservers) printf(" %lu", j); bp += sizeof(int32_t); } TCHECK2(bp[0], 13 * sizeof(int32_t)); bp += 13 * sizeof(int32_t); printf(" rwvol"); UINTOUT(); printf(" rovol"); UINTOUT(); printf(" backup"); UINTOUT(); } break; case 526: /* Get entry by ID U */ case 527: /* Get entry by name U */ { unsigned long nservers, j; VECOUT(VLNAMEMAX); printf(" numservers"); TCHECK2(bp[0], sizeof(int32_t)); nservers = EXTRACT_32BITS(bp); bp += sizeof(int32_t); printf(" %lu", nservers); printf(" servers"); for (i = 0; i < 13; i++) { if (i < nservers) { printf(" afsuuid"); AFSUUIDOUT(); } else { TCHECK2(bp[0], 44); bp += 44; } } TCHECK2(bp[0], 4 * 13); bp += 4 * 13; printf(" partitions"); for (i = 0; i < 13; i++) { TCHECK2(bp[0], sizeof(int32_t)); j = EXTRACT_32BITS(bp); if (i < nservers && j <= 26) printf(" %c", 'a' + (int)j); else if (i < nservers) printf(" %lu", j); bp += sizeof(int32_t); } TCHECK2(bp[0], 13 * sizeof(int32_t)); bp += 13 * sizeof(int32_t); printf(" rwvol"); UINTOUT(); printf(" rovol"); UINTOUT(); printf(" backup"); UINTOUT(); } default: ; } else { /* * Otherwise, just print out the return code */ printf(" errcode"); INTOUT(); } return; trunc: printf(" [|vldb]"); } /* * Handle calls to the AFS Kerberos Authentication service */ static void kauth_print(register const u_char *bp, int length) { int kauth_op; if (length <= sizeof(struct rx_header)) return; if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) { goto trunc; } /* * Print out the afs call we're invoking. The table used here was * gleaned from kauth/kauth.rg */ kauth_op = EXTRACT_32BITS(bp + sizeof(struct rx_header)); printf(" kauth"); if (is_ubik(kauth_op)) { ubik_print(bp, length); return; } printf(" call %s", tok2str(kauth_req, "op#%d", kauth_op)); /* * Decode some of the arguments to the KA calls */ bp += sizeof(struct rx_header) + 4; switch (kauth_op) { case 1: /* Authenticate old */; case 21: /* Authenticate */ case 22: /* Authenticate-V2 */ case 2: /* Change PW */ case 5: /* Set fields */ case 6: /* Create user */ case 7: /* Delete user */ case 8: /* Get entry */ case 14: /* Unlock */ case 15: /* Lock status */ printf(" principal"); STROUT(KANAMEMAX); STROUT(KANAMEMAX); break; case 3: /* GetTicket-old */ case 23: /* GetTicket */ { int i; printf(" kvno"); INTOUT(); printf(" domain"); STROUT(KANAMEMAX); TCHECK2(bp[0], sizeof(int32_t)); i = (int) EXTRACT_32BITS(bp); bp += sizeof(int32_t); TCHECK2(bp[0], i); bp += i; printf(" principal"); STROUT(KANAMEMAX); STROUT(KANAMEMAX); break; } case 4: /* Set Password */ printf(" principal"); STROUT(KANAMEMAX); STROUT(KANAMEMAX); printf(" kvno"); INTOUT(); break; case 12: /* Get password */ printf(" name"); STROUT(KANAMEMAX); break; default: ; } return; trunc: printf(" [|kauth]"); } /* * Handle replies to the AFS Kerberos Authentication Service */ static void kauth_reply_print(register const u_char *bp, int length, int32_t opcode) { struct rx_header *rxh; if (length <= sizeof(struct rx_header)) return; rxh = (struct rx_header *) bp; /* * Print out the afs call we're invoking. The table used here was * gleaned from kauth/kauth.rg */ printf(" kauth"); if (is_ubik(opcode)) { ubik_reply_print(bp, length, opcode); return; } printf(" reply %s", tok2str(kauth_req, "op#%d", opcode)); bp += sizeof(struct rx_header); /* * If it was a data packet, interpret the response. */ if (rxh->type == RX_PACKET_TYPE_DATA) /* Well, no, not really. Leave this for later */ ; else { /* * Otherwise, just print out the return code */ printf(" errcode"); INTOUT(); } return; trunc: printf(" [|kauth]"); } /* * Handle calls to the AFS Volume location service */ static void vol_print(register const u_char *bp, int length) { int vol_op; if (length <= sizeof(struct rx_header)) return; if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) { goto trunc; } /* * Print out the afs call we're invoking. The table used here was * gleaned from volser/volint.xg */ vol_op = EXTRACT_32BITS(bp + sizeof(struct rx_header)); printf(" vol call %s", tok2str(vol_req, "op#%d", vol_op)); /* * Normally there would be a switch statement here to decode the * arguments to the AFS call, but since I don't have access to * an AFS server (yet) and I'm not an AFS admin, I can't * test any of these calls. Leave this blank for now. */ return; trunc: printf(" [|vol]"); } /* * Handle replies to the AFS Volume Service */ static void vol_reply_print(register const u_char *bp, int length, int32_t opcode) { struct rx_header *rxh; if (length <= sizeof(struct rx_header)) return; rxh = (struct rx_header *) bp; /* * Print out the afs call we're invoking. The table used here was * gleaned from volser/volint.xg */ printf(" vol reply %s", tok2str(vol_req, "op#%d", opcode)); bp += sizeof(struct rx_header); /* * If it was a data packet, interpret the response. */ if (rxh->type == RX_PACKET_TYPE_DATA) /* Well, no, not really. Leave this for later */ ; else { /* * Otherwise, just print out the return code */ printf(" errcode"); INTOUT(); } return; trunc: printf(" [|vol]"); } /* * Handle calls to the AFS BOS service */ static void bos_print(register const u_char *bp, int length) { int bos_op; if (length <= sizeof(struct rx_header)) return; if (snapend - bp + 1 <= sizeof(struct rx_header) + sizeof(int32_t)) { goto trunc; } /* * Print out the afs call we're invoking. The table used here was * gleaned from bozo/bosint.xg */ bos_op = EXTRACT_32BITS(bp + sizeof(struct rx_header)); printf(" bos call %s", tok2str(bos_req, "op#%d", bos_op)); /* * Decode some of the arguments to the BOS calls */ bp += sizeof(struct rx_header) + 4; switch (bos_op) { case 80: /* Create B node */ printf(" type"); STROUT(BOSNAMEMAX); printf(" instance"); STROUT(BOSNAMEMAX); break; case 81: /* Delete B node */ case 83: /* Get status */ case 85: /* Get instance info */ case 87: /* Add super user */ case 88: /* Delete super user */ case 93: /* Set cell name */ case 96: /* Add cell host */ case 97: /* Delete cell host */ case 104: /* Restart */ case 106: /* Uninstall */ case 108: /* Exec */ case 112: /* Getlog */ case 114: /* Get instance strings */ STROUT(BOSNAMEMAX); break; case 82: /* Set status */ case 98: /* Set T status */ STROUT(BOSNAMEMAX); printf(" status"); INTOUT(); break; case 86: /* Get instance parm */ STROUT(BOSNAMEMAX); printf(" num"); INTOUT(); break; case 84: /* Enumerate instance */ case 89: /* List super users */ case 90: /* List keys */ case 91: /* Add key */ case 92: /* Delete key */ case 95: /* Get cell host */ INTOUT(); break; case 105: /* Install */ STROUT(BOSNAMEMAX); printf(" size"); INTOUT(); printf(" flags"); INTOUT(); printf(" date"); INTOUT(); break; default: ; } return; trunc: printf(" [|bos]"); } /* * Handle replies to the AFS BOS Service */ static void bos_reply_print(register const u_char *bp, int length, int32_t opcode) { struct rx_header *rxh; if (length <= sizeof(struct rx_header)) return; rxh = (struct rx_header *) bp; /* * Print out the afs call we're invoking. The table used here was * gleaned from volser/volint.xg */ printf(" bos reply %s", tok2str(bos_req, "op#%d", opcode)); bp += sizeof(struct rx_header); /* * If it was a data packet, interpret the response. */ if (rxh->type == RX_PACKET_TYPE_DATA) /* Well, no, not really. Leave this for later */ ; else { /* * Otherwise, just print out the return code */ printf(" errcode"); INTOUT(); } return; trunc: printf(" [|bos]"); } /* * Check to see if this is a Ubik opcode. */ static int is_ubik(u_int32_t opcode) { if ((opcode >= VOTE_LOW && opcode <= VOTE_HIGH) || (opcode >= DISK_LOW && opcode <= DISK_HIGH)) return(1); else return(0); } /* * Handle Ubik opcodes to any one of the replicated database services */ static void ubik_print(register const u_char *bp, int length) { int ubik_op; int32_t temp; /* * Print out the afs call we're invoking. The table used here was * gleaned from ubik/ubik_int.xg */ ubik_op = EXTRACT_32BITS(bp + sizeof(struct rx_header)); printf(" ubik call %s", tok2str(ubik_req, "op#%d", ubik_op)); /* * Decode some of the arguments to the Ubik calls */ bp += sizeof(struct rx_header) + 4; switch (ubik_op) { case 10000: /* Beacon */ TCHECK2(bp[0], 4); temp = EXTRACT_32BITS(bp); bp += sizeof(int32_t); printf(" syncsite %s", temp ? "yes" : "no"); printf(" votestart"); DATEOUT(); printf(" dbversion"); UBIK_VERSIONOUT(); printf(" tid"); UBIK_VERSIONOUT(); break; case 10003: /* Get sync site */ printf(" site"); UINTOUT(); break; case 20000: /* Begin */ case 20001: /* Commit */ case 20007: /* Abort */ case 20008: /* Release locks */ case 20010: /* Writev */ printf(" tid"); UBIK_VERSIONOUT(); break; case 20002: /* Lock */ printf(" tid"); UBIK_VERSIONOUT(); printf(" file"); INTOUT(); printf(" pos"); INTOUT(); printf(" length"); INTOUT(); temp = EXTRACT_32BITS(bp); bp += sizeof(int32_t); tok2str(ubik_lock_types, "type %d", temp); break; case 20003: /* Write */ printf(" tid"); UBIK_VERSIONOUT(); printf(" file"); INTOUT(); printf(" pos"); INTOUT(); break; case 20005: /* Get file */ printf(" file"); INTOUT(); break; case 20006: /* Send file */ printf(" file"); INTOUT(); printf(" length"); INTOUT(); printf(" dbversion"); UBIK_VERSIONOUT(); break; case 20009: /* Truncate */ printf(" tid"); UBIK_VERSIONOUT(); printf(" file"); INTOUT(); printf(" length"); INTOUT(); break; case 20012: /* Set version */ printf(" tid"); UBIK_VERSIONOUT(); printf(" oldversion"); UBIK_VERSIONOUT(); printf(" newversion"); UBIK_VERSIONOUT(); break; default: ; } return; trunc: printf(" [|ubik]"); } /* * Handle Ubik replies to any one of the replicated database services */ static void ubik_reply_print(register const u_char *bp, int length, int32_t opcode) { struct rx_header *rxh; if (length < sizeof(struct rx_header)) return; rxh = (struct rx_header *) bp; /* * Print out the ubik call we're invoking. This table was gleaned * from ubik/ubik_int.xg */ printf(" ubik reply %s", tok2str(ubik_req, "op#%d", opcode)); bp += sizeof(struct rx_header); /* * If it was a data packet, print out the arguments to the Ubik calls */ if (rxh->type == RX_PACKET_TYPE_DATA) switch (opcode) { case 10000: /* Beacon */ printf(" vote no"); break; case 20004: /* Get version */ printf(" dbversion"); UBIK_VERSIONOUT(); break; default: ; } /* * Otherwise, print out "yes" it it was a beacon packet (because * that's how yes votes are returned, go figure), otherwise * just print out the error code. */ else switch (opcode) { case 10000: /* Beacon */ printf(" vote yes until"); DATEOUT(); break; default: printf(" errcode"); INTOUT(); } return; trunc: printf(" [|ubik]"); } /* * Handle RX ACK packets. */ static void rx_ack_print(register const u_char *bp, int length) { struct rx_ackPacket *rxa; int i, start, last; if (length < sizeof(struct rx_header)) return; bp += sizeof(struct rx_header); /* * This may seem a little odd .... the rx_ackPacket structure * contains an array of individual packet acknowledgements * (used for selective ack/nack), but since it's variable in size, * we don't want to truncate based on the size of the whole * rx_ackPacket structure. */ TCHECK2(bp[0], sizeof(struct rx_ackPacket) - RX_MAXACKS); rxa = (struct rx_ackPacket *) bp; bp += (sizeof(struct rx_ackPacket) - RX_MAXACKS); /* * Print out a few useful things from the ack packet structure */ if (vflag > 2) printf(" bufspace %d maxskew %d", (int) EXTRACT_16BITS(&rxa->bufferSpace), (int) EXTRACT_16BITS(&rxa->maxSkew)); printf(" first %d serial %d reason %s", EXTRACT_32BITS(&rxa->firstPacket), EXTRACT_32BITS(&rxa->serial), tok2str(rx_ack_reasons, "#%d", (int) rxa->reason)); /* * Okay, now we print out the ack array. The way _this_ works * is that we start at "first", and step through the ack array. * If we have a contiguous range of acks/nacks, try to * collapse them into a range. * * If you're really clever, you might have noticed that this * doesn't seem quite correct. Specifically, due to structure * padding, sizeof(struct rx_ackPacket) - RX_MAXACKS won't actually * yield the start of the ack array (because RX_MAXACKS is 255 * and the structure will likely get padded to a 2 or 4 byte * boundary). However, this is the way it's implemented inside * of AFS - the start of the extra fields are at * sizeof(struct rx_ackPacket) - RX_MAXACKS + nAcks, which _isn't_ * the exact start of the ack array. Sigh. That's why we aren't * using bp, but instead use rxa->acks[]. But nAcks gets added * to bp after this, so bp ends up at the right spot. Go figure. */ if (rxa->nAcks != 0) { TCHECK2(bp[0], rxa->nAcks); /* * Sigh, this is gross, but it seems to work to collapse * ranges correctly. */ for (i = 0, start = last = -2; i < rxa->nAcks; i++) if (rxa->acks[i] == RX_ACK_TYPE_ACK) { /* * I figured this deserved _some_ explanation. * First, print "acked" and the packet seq * number if this is the first time we've * seen an acked packet. */ if (last == -2) { printf(" acked %d", rxa->firstPacket + i); start = i; } /* * Otherwise, if the there is a skip in * the range (such as an nacked packet in * the middle of some acked packets), * then print the current packet number * seperated from the last number by * a comma. */ else if (last != i - 1) { printf(",%d", rxa->firstPacket + i); start = i; } /* * We always set last to the value of * the last ack we saw. Conversely, start * is set to the value of the first ack * we saw in a range. */ last = i; /* * Okay, this bit a code gets executed when * we hit a nack ... in _this_ case we * want to print out the range of packets * that were acked, so we need to print * the _previous_ packet number seperated * from the first by a dash (-). Since we * already printed the first packet above, * just print the final packet. Don't * do this if there will be a single-length * range. */ } else if (last == i - 1 && start != last) printf("-%d", rxa->firstPacket + i - 1); /* * So, what's going on here? We ran off the end of the * ack list, and if we got a range we need to finish it up. * So we need to determine if the last packet in the list * was an ack (if so, then last will be set to it) and * we need to see if the last range didn't start with the * last packet (because if it _did_, then that would mean * that the packet number has already been printed and * we don't need to print it again). */ if (last == i - 1 && start != last) printf("-%d", rxa->firstPacket + i - 1); /* * Same as above, just without comments */ for (i = 0, start = last = -2; i < rxa->nAcks; i++) if (rxa->acks[i] == RX_ACK_TYPE_NACK) { if (last == -2) { printf(" nacked %d", rxa->firstPacket + i); start = i; } else if (last != i - 1) { printf(",%d", rxa->firstPacket + i); start = i; } last = i; } else if (last == i - 1 && start != last) printf("-%d", rxa->firstPacket + i - 1); if (last == i - 1 && start != last) printf("-%d", rxa->firstPacket + i - 1); bp += rxa->nAcks; } /* * These are optional fields; depending on your version of AFS, * you may or may not see them */ #define TRUNCRET(n) if (snapend - bp + 1 <= n) return; if (vflag > 1) { TRUNCRET(4); printf(" ifmtu"); INTOUT(); TRUNCRET(4); printf(" maxmtu"); INTOUT(); TRUNCRET(4); printf(" rwind"); INTOUT(); TRUNCRET(4); printf(" maxpackets"); INTOUT(); } return; trunc: printf(" [|ack]"); } #undef TRUNCRET